Home / 249,101.33-373,711.28-80,621.66

Finding the Fourth Proportional to 249,101.33, 373,711.28 and 80,621.66

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Solution

The fourth proportional to 249,101.33, 373,711.28 and 80,621.66 is: 120,951.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,101.33 : 373,711.28 = 80,621.66 : x
  2. Step 2: Convert to fraction form
    249,101.33/373,711.28 = 80,621.66/x
  3. Step 3: Cross multiply
    249,101.33x = 373,711.28 × 80,621.66
  4. Step 4: Simplify right side
    249,101.33x = 30,129,223,021.60
  5. Step 5: Solve for x
    x = 30,129,223,021.60/249,101.33
  6. Step 6: Final answer
    x = 120,951.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.